Julie travelled with 30.5 miler per gallon.
SOLUTION:
Given, On Julie's trip to the mountains she traveled 192 miles using 6 gallons of gas.
On the return trip she traveled 235 miles on 8 gallons of gas.
We have to find how many miles per gallon did Julie get on the way there?
We know that,
![\text { number of miles per gallon }=\frac{\text { total distance travelled }}{\text { total number of gallons }}](https://img.qammunity.org/2020/formulas/mathematics/high-school/wlwcs4o8ikptg5uw2wo0ds3x62d79j26k6.png)
Substituting the values we get,
![=(192+235)/(8+6)=(427)/(14)=30.5 \text { miles per gallon }](https://img.qammunity.org/2020/formulas/mathematics/high-school/ba9zah512r0kctsui285wahbq7slf7kgrw.png)
Hence, Julie travelled with 30.5 miler per gallon on the way there on mountains.